- Enables you to select RS-485 2-wire half-duplex or RS-485 4-wire full-duplex operation.
- Selectable RS-422 operation with transmit and receive always enabled.
- Automatic RS-485 driver control, so it works without any special programming for handshaking signals. Also enables transmitter from RS-232 TD signal and receiver when not transmitting.
- Built-in bridging switches for 2- or 4-wire operation with no external jumpers to set.
- Set operating mode with four switches.
- Converts using either port power or power from an external 120-VAC/12-VDC power supply (sold separately).
- No external power is required if two RS-232 output handshake lines are available.
- The RS485 driver is automatically enabled during each spacing state on the RS232 side.
- Up to 32 RS485 devices can be attached to create a large multi-drop network
- Operates 2-wire half-duplex or 4-wire half- or full-duplex.
- async (data leads) only.
- Operates in point to point or multipoint applications
- Transmit data up to 115 kbps or at distancesup to 4000 ft.
| Brand | |
|---|---|
| Brand | Black Box Corporation |
| Power & Battery | |
|---|---|
| Plug/Connector Type | Terminal Block |
| Power Source | Power Supply |
| Size / Dimensions | |
|---|---|
| Form Factor | External |
| General Features | |
|---|---|
| Manufacturer | Black Box Corporation |
| Product Condition | New |
| Misc Ports | |
|---|---|
| Total Number of Ports | 2 |
| Compliance & Certification | |
|---|---|
| TAA Compliant | Yes |
| Environmentally Friendly | Yes |
| Miscellaneous | |
|---|---|
| Product Name | IC820A Universal RS-232 to RS-422/485 Bidirectional Converter |
Black Box Async RS232 to RS422/485 Interface Converter - DB9 to Terminal Block - 1 x DB-9 RS-232 , 1 x Terminal Block - External
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